Unauthenticated subscriber data disclosure via unchecked identity
Published Aug 26, 2026 · Updated Aug 26, 2026
Information disclosure in Noptin before 4.3.3 allows remote attackers to read subscriber personal data and authorization keys. The public subscriber actions page renders the stored record named by a request without verifying that the requester is that subscriber. No account or user interaction is required; exposure is limited to the selected subscriber's stored details and record-change key.
Summary
What happened
Information disclosure in Noptin before 4.3.3 allows remote attackers to read subscriber personal data and authorization keys. The public subscriber actions page renders the stored record named by a request without verifying that the requester is that subscriber. No account or user interaction is required; exposure is limited to the selected subscriber's stored details and record-change key.
The record
- CVE
- CVE-2026-78146
- Published
- Aug 26, 2026
- Updated
- Aug 26, 2026
- Vendor
- Noptin Newsletter Team
- Product
- Noptin
- Classifications
- CWE-200
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 26, 2026CVE publishedPublication date reported by the CVE source.
- Aug 26, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=4.0.0 <4.3.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo